body {
    margin: 0;
    padding: 0;
}

.wrap-start {
    position: absolute;
    width: 100%;
    height: 100%;
}

.wrap-cake {
    position: absolute;
    width: 100%;
    height: 100%;
    background: #ee9ca7;

    display: none;
}

.wrap-photos {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: url(../img/背景.jpg);
	background-size: cover;


    display: none;
}